Home / 1,579,631.04-2,179,877.31-891,308.16

Finding the Fourth Proportional to 1,579,631.04, 2,179,877.31 and 891,308.16

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Solution

The fourth proportional to 1,579,631.04, 2,179,877.31 and 891,308.16 is: 1,229,997.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,631.04 : 2,179,877.31 = 891,308.16 : x
  2. Step 2: Convert to fraction form
    1,579,631.04/2,179,877.31 = 891,308.16/x
  3. Step 3: Cross multiply
    1,579,631.04x = 2,179,877.31 × 891,308.16
  4. Step 4: Simplify right side
    1,579,631.04x = 1,942,942,434,201.85
  5. Step 5: Solve for x
    x = 1,942,942,434,201.85/1,579,631.04
  6. Step 6: Final answer
    x = 1,229,997.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.